Umbrella



FIG. 1 is a perspective view of an umbrella showing a new design;

FIG. 2 is a detail view of the new umbrella design of FIG. 1 taken at 2 shown in FIG. 1;

FIG. 3 is a front or rear view of the design of FIG. 1;

FIG. 4 is a detail view of the new umbrella design of FIG. 1 taken at 4 shown in FIG. 3;

FIG. 5 is a right or left side view of the design of FIG. 1;

FIG. 6 is a detail view of the new umbrella design of FIG. 1 taken at 6 shown in FIG. 5;

FIG. 7 is a top view of the design of FIG. 1;

FIG. 8 is a detail view of the new umbrella design of FIG. 1 taken at 8 shown in FIG. 7;

FIG. 9 is a bottom view of the design of FIG. 1; and,

FIG. 10 is a detail view of the new umbrella design of FIG. 1 taken at 10 shown in FIG. 9.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for an umbrella, as shown and described. 